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Debugging incoming ICMP packets

Discussion in 'General Cisco Certifications' started by motorleague, Jul 2, 2007.

  1. motorleague

    motorleague Bit Poster

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    Is there a variation on the debug command I can use to show any incoming ping/ICMP comands on a routers interfaces. I'd like to use this to verify some test configurations I've been doing with NAT and PAT.

    Thanks very much in advance for any help offered.

    Alex.
     
    Certifications: MCSA, A+, Network+
    WIP: CCNA, MCSE
  2. BosonMichael
    Highly Decorated Member Award

    BosonMichael Yottabyte Poster

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    Does this not work? :blink
     
    Certifications: CISSP, MCSE+I, MCSE: Security, MCSE: Messaging, MCDST, MCDBA, MCTS, OCP, CCNP, CCDP, CCNA Security, CCNA Voice, CNE, SCSA, Security+, Linux+, Server+, Network+, A+
    WIP: Just about everything!
  3. Stoney

    Stoney Megabyte Poster

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    Can you run a packet logger on the network to view the packets as they go in and out of the router. Something like Wireshark for example.
     
    Certifications: 25 + 50 metre front crawl
    WIP: MCSA - Exam 70-270
  4. r.h.lee

    r.h.lee Gigabyte Poster

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    motorleague,

    Try...
    Code:
    #debug ip packet
    
     
    Certifications: MCSE, MCP+I, MCP, CCNA, A+
    WIP: CCDA
  5. motorleague

    motorleague Bit Poster

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    Thanks for the replies, I hadn't actually come across the Cisco master list of debug commands previously.

    Alex.
     
    Certifications: MCSA, A+, Network+
    WIP: CCNA, MCSE
  6. Headache

    Headache Gigabyte Poster

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    Router#debug ?
     
    Certifications: CCNA
    WIP: CCNP
  7. motorleague

    motorleague Bit Poster

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    I meant with regards to documentation.
     
    Certifications: MCSA, A+, Network+
    WIP: CCNA, MCSE
  8. BosonMichael
    Highly Decorated Member Award

    BosonMichael Yottabyte Poster

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    Documentation's all over Cisco's Web site. Google for debug, and use the site:cisco.com keyword to limit searches to cisco.com. Easy as can be!

    Google is an IT pro's best friend, bar none.
     
    Certifications: CISSP, MCSE+I, MCSE: Security, MCSE: Messaging, MCDST, MCDBA, MCTS, OCP, CCNP, CCDP, CCNA Security, CCNA Voice, CNE, SCSA, Security+, Linux+, Server+, Network+, A+
    WIP: Just about everything!
  9. Pete01

    Pete01 Kilobyte Poster

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    Yeah cos for the peeps that "run the Internet" they sure as hell have the slowest website on the bloody thing...

    *sorry - I'm having problems with a Cisco load balancer at the mo and if they can't sort out their own back yard what hope is there for the rest of us?!
     
    Certifications: MCP (NT4) CCNA
    WIP: 70-669, Learning MSI packaging

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